tulsa-health.org

Valid Email Server
Domain Lookup › tulsa-health.org

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
tulsa-health.org
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 17:10:28 UTC · ↺ Refresh

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MX Hostnames

  • usb-smtp-inbound-2.mimecast.com
  • usb-smtp-inbound-1.mimecast.com

MX Priorities

  • usb-smtp-inbound-1.mimecast.com: 10
  • usb-smtp-inbound-2.mimecast.com: 10

A / AAAA Records

  • 74.208.236.243 ↩ 74-208-236-243.elastic-ssl.ui-r.com

Mail Server IPs

  • 170.10.150.242 ↩ usb-smtp-delivery-2.mimecast.com
  • 170.10.152.242 ↩ usb-smtp-delivery-2.mimecast.com

SOA Record

Raw SOA ns99.worldnic.com namehost.worldnic.com 125071715 10800 3600 604800 3600
Primary NS (mname)
ns99.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125071715
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns100.worldnic.com
ns99.worldnic.com

SPF Record

✓ Strict (-all)
v=spf1 include:usb._netblocks.mimecast.com include:spf.protection.outlook.com include:_spf.qualtrics.com include:_spf-us.ionos.com include:_spf.salesforce.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

4 records
  • 0ed1fe018a4acc0232fa4d436e9173d6e0732e8d50
  • SPFv=spf1 include:usb._netblocks.mimecast.com include:spf.protection.outlook.com include:_spf.qualtrics.com include:_spf-us.ionos.com include:_spf.salesforce.com -all
  • MS=ms33439890
  • nhmg3gufjf5bjlkgt1m9uniuhq
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